Samuel Axon writes on Mashable:

FBI Director Robert Mueller wants ISPs to track ?origin and destination information? about their customers? browsing habits and store them for authorities? use for two years, according to a CNET report.

That would mean monitoring the IP addresses, domains and exact websites users visit, and then storing that information for months. If officials who support this measure get their way, federal, state and local law enforcement would be able to access the information via search warrant or subpoena.

Access to exact URLs would require deep-packet inspection, which could be a violation of the Wiretap Act. The courts would end up having to make a ruling one way or the other if authorities try it.

The argument in favor is that the FBI has long been able to do this…